Cosmo (formerly ClassUp) vs KiddiMath Practice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cosmo (formerly ClassUp)
This app offers AI-powered, personalized learning experiences guided by real teachers. It provides live 1-on-1 classes, instant homework help, and adaptive learning plans to foster confident and motivated learners.
- Live 1-on-1 classes with AI and human teachers
- AI-powered personalized learning plans
- Instant homework help and chat support
- AI writing tool for assignments
- Unlimited practice for Math & ELA
- Progress tracking dashboard
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Becoming a confident thinker. A curious problem-solver. A joyful, motivated learner who’s ready for whatever the future holds. We’re a future-ready education system—powered by AI, guided by real teachers, and built for how children actually grow. 1. Live 1-on-1 Classes: Human Teachers + Smart AI In every session, real teachers and AI collaborate to create dynamic lessons that drive progress. Our virtual classrooms include interactive tools (whiteboards, quizzes!) to boost engagement. 2. Pick Your Favorite Teacher (or Let Us Choose!) Our experts match students with teachers based on learning style and goals—or you can directly select your preferred instructor from our verified educators. 3. Flex Scheduling: Learn Anytime, Anywhere Book classes 24/7 from your couch, library, or even soccer practice. Reschedule freely with xx-hour notice. 4. Cosmo: The AI Study Buddy Who Gets It 4.1 AI-Powered Personalized Learning Plans Customized weekly roadmaps adapting to your child’s pace and progress. 4.2 Instant Homework Help & Chat "Hey Cosmo, explain algebra!" Get step-by-step solutions, class bookings, or a pep talk with meme reactions. 4.3 AI Writing Tool Snap a photo of writing assignments for: Grammar fixes, Style suggestions, "Aha!" revision tips 4.4 Unlimited Practice for Math & ELA Enjoy endless questions and instant feedback—perfect for all skill levels. Learn anytime, anywhere! 4.5 Progress Tracking Dashboard Track mastered skills and growth areas with color-coded reports updated monthly.
KiddiMath Practice
This app helps children aged 4-12 improve their mental math skills. It uses engaging methods like FingerMath and Soroban to boost concentration, memory, reflexes, and confidence.
- Mental math practice
- FingerMath method
- Soroban method
- Develops concentration
- Boosts memory
- Enhances reflexes
- Builds confidence
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KiddiMath Practice is a mental math practice app for children aged 4–12. It helps kids develop concentration, memory, reflexes, and confidence through FingerMath and Soroban methods.
Screenshots
Verdict
The clearest difference is rating: KiddiMath Practice at 5.0 against Cosmo (formerly ClassUp)'s 4.5. KiddiMath Practice also leads on in-app purchases (none vs 3). Cosmo (formerly ClassUp)'s advantage is update cadence (every 9 days vs every 10 months) and ratings volume (879 vs 2). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Cosmo (formerly ClassUp) sells 3 one-off in-app purchases. KiddiMath Practice asks for nothing beyond the download.
KiddiMath Practice holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Cosmo (formerly ClassUp) has 879 ratings behind it against 2, so its average is the more settled of the two.
Cosmo (formerly ClassUp) ships an update every 9 days, KiddiMath Practice every 10 months. Both last shipped on September 30, 2026.
| Parameter | Cosmo (formerly ClassUp) | KiddiMath Practice |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (879 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 80.1% of reviews | — |
| Number of ratings | 879 — better | 2 |
| Update frequency | Every 9 days — better | Every 10 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15 |
| Further details — not scored | ||
| Size | 408 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Algorithm of Learning Inc. | Truong Nguyen |
Customer experience
Cosmo (formerly ClassUp)
KiddiMath Practice
Bugs and requests
Cosmo (formerly ClassUp)
Reported bugs
3 issues- Frequent class cancellations
- Billing and refund issues
- Unreliable internet connectivity during classes
Requested features
4 requests- More affordable pricing options
- Improved scheduling and class management
- Better communication with parents
- Enhanced technical stability and reliability
KiddiMath Practice
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cosmo (formerly ClassUp)
- First Class$0.99
- Test 20 lessons package$0.99
- 3 one-on-one classes$74.99
KiddiMath Practice
No in-app purchases
Questions
Is Cosmo (formerly ClassUp) free?
Is KiddiMath Practice free?
Which has better reviews, Cosmo (formerly ClassUp) or KiddiMath Practice?
Do Cosmo (formerly ClassUp) or KiddiMath Practice have ads?
Which is updated more often, Cosmo (formerly ClassUp) or KiddiMath Practice?
Other comparisons
